487806475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 690893280

約数和(自身を除く): 203086805

約数列:

[1, 5, 13, 19, 25, 65, 95, 197, 247, 325, 401, 475, 985, 1235, 2005, 2561, 3743, 4925, 5213, 6175, 7619, 10025, 12805, 18715, 26065, 38095, 48659, 64025, 78997, 93575, 99047, 130325, 190475, 243295, 394985, 495235, 1026961, 1216475, 1500943, 1974925, 2476175, 5134805, 7504715, 19512259, 25674025, 37523575, 97561295, 487806475]

約数ペア:

[(1, 487806475), (5, 97561295), (13, 37523575), (19, 25674025), (25, 19512259), (65, 7504715), (95, 5134805), (197, 2476175), (247, 1974925), (325, 1500943), (401, 1216475), (475, 1026961), (985, 495235), (1235, 394985), (2005, 243295), (2561, 190475), (3743, 130325), (4925, 99047), (5213, 93575), (6175, 78997), (7619, 64025), (10025, 48659), (12805, 38095), (18715, 26065)]